<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<title>3D-元素周期表</title>
		<style>
			html,
			body {
				height: 100%;
			}

			body {
				background-color: #000000;
				margin: 0;
				font-family: Helvetica, sans-serif;
				;
				overflow: hidden;
			}

			a {
				color: #ffffff;
			}

			#info {
				position: absolute;
				width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family: Monospace;
				font-size: 13px;
				font-weight: bold;
				text-align: center;
				z-index: 1;
			}

			#menu {
				position: absolute;
				bottom: 20px;
				width: 100%;
				text-align: center;
				font-family: verdana, Tahoma, Arial, Hei, "Microsoft Yahei", SimHei;
			}

			.element {
				width: 120px;
				height: 160px;
				box-shadow: 0px 0px 12px rgba(0, 255, 255, 0.5);
				border: 1px solid rgba(127, 255, 255, 0.25);
				text-align: center;
				cursor: default;
			}

			.element:hover {
				box-shadow: 0px 0px 12px rgba(0, 255, 255, 0.75);
				border: 1px solid rgba(127, 255, 255, 0.75);
			}

			.element .number {
				position: absolute;
				top: 20px;
				right: 20px;
				font-size: 12px;
				color: rgba(127, 255, 255, 0.75);
			}

			.element .symbol {
				position: absolute;
				top: 40px;
				left: 0px;
				right: 0px;
				font-size: 60px;
				font-weight: bold;
				color: rgba(255, 255, 255, 0.75);
				text-shadow: 0 0 10px rgba(0, 255, 255, 0.95);
			}

			.element .details {
				position: absolute;
				bottom: 15px;
				left: 0px;
				right: 0px;
				font-size: 12px;
				color: rgba(127, 255, 255, 0.75);
			}

			button {
				color: rgba(127, 255, 255, 0.75);
				background: transparent;
				outline: 1px solid rgba(127, 255, 255, 0.75);
				border: 0px;
				padding: 5px 10px;
				cursor: pointer;
			}

			button:hover {
				background-color: rgba(0, 255, 255, 0.5);
			}

			button:active {
				color: #000000;
				background-color: rgba(0, 255, 255, 0.75);
			}
		</style>
	</head>
	<body>
		<script src="js/three.min.js"></script>
		<script src="js/tween.min.js"></script>
		<script src="js/TrackballControls.js"></script>
		<script src="js/CSS3DRenderer.js"></script>

		<div id="container"></div>
		<div id="info">3D-元素周期表</div>
		<div id="menu">
			<button id="table">表面</button>
			<button id="sphere">球体</button>
			<button id="helix">螺旋</button>
			<button id="grid">网格</button>
		</div>

		<script>
			var table = [
				"H", "Hydrogen", "1.00794", 1, 1,
				"He", "Helium", "4.002602", 18, 1,
				"Li", "Lithium", "#6.941", 1, 2,
				"Be", "Beryllium", "9.012182", 2, 2,
				"B", "Boron", "#10.811", 13, 2,
				"C", "Carbon", "#12.0107", 14, 2,
				"N", "Nitrogen", "#14.0067", 15, 2,
				"O", "Oxygen", "#15.9994", 16, 2,
				"F", "Fluorine", "18.9984032", 17, 2,
				"Ne", "Neon", "#20.1797", 18, 2,
				"Na", "Sodium", "22.98976...", 1, 3,
				"Mg", "Magnesium", "#24.305", 2, 3,
				"Al", "Aluminium", "26.9815386", 13, 3,
				"Si", "Silicon", "#28.0855", 14, 3,
				"P", "Phosphorus", "30.973762", 15, 3,
				"S", "Sulfur", "#32.065", 16, 3,
				"Cl", "Chlorine", "#35.453", 17, 3,
				"Ar", "Argon", "#39.948", 18, 3,
				"K", "Potassium", "#39.948", 1, 4,
				"Ca", "Calcium", "#40.078", 2, 4,
				"Sc", "Scandium", "44.955912", 3, 4,
				"Ti", "Titanium", "#47.867", 4, 4,
				"V", "Vanadium", "#50.9415", 5, 4,
				"Cr", "Chromium", "#51.9961", 6, 4,
				"Mn", "Manganese", "54.938045", 7, 4,
				"Fe", "Iron", "#55.845", 8, 4,
				"Co", "Cobalt", "58.933195", 9, 4,
				"Ni", "Nickel", "#58.6934", 10, 4,
				"Cu", "Copper", "#63.546", 11, 4,
				"Zn", "Zinc", "#65.38", 12, 4,
				"Ga", "Gallium", "#69.723", 13, 4,
				"Ge", "Germanium", "#72.63", 14, 4,
				"As", "Arsenic", "#74.9216", 15, 4,
				"Se", "Selenium", "#78.96", 16, 4,
				"Br", "Bromine", "#79.904", 17, 4,
				"Kr", "Krypton", "#83.798", 18, 4,
				"Rb", "Rubidium", "#85.4678", 1, 5,
				"Sr", "Strontium", "#87.62", 2, 5,
				"Y", "Yttrium", "88.90585", 3, 5,
				"Zr", "Zirconium", "#91.224", 4, 5,
				"Nb", "Niobium", "92.90628", 5, 5,
				"Mo", "Molybdenum", "#95.96", 6, 5,
				"Tc", "Technetium", "(98)", 7, 5,
				"Ru", "Ruthenium", "#101.07", 8, 5,
				"Rh", "Rhodium", "#102.9055", 9, 5,
				"Pd", "Palladium", "#106.42", 10, 5,
				"Ag", "Silver", "#107.8682", 11, 5,
				"Cd", "Cadmium", "#112.411", 12, 5,
				"In", "Indium", "#114.818", 13, 5,
				"Sn", "Tin", "#118.71", 14, 5,
				"Sb", "Antimony", "#121.76", 15, 5,
				"Te", "Tellurium", "127.6", 16, 5,
				"I", "Iodine", "126.90447", 17, 5,
				"Xe", "Xenon", "#131.293", 18, 5,
				"Cs", "Caesium", "#132.9054", 1, 6,
				"Ba", "Barium", "#132.9054", 2, 6,
				"La", "Lanthanum", "138.90547", 4, 9,
				"Ce", "Cerium", "#140.116", 5, 9,
				"Pr", "Praseodymium", "140.90765", 6, 9,
				"Nd", "Neodymium", "#144.242", 7, 9,
				"Pm", "Promethium", "(145)", 8, 9,
				"Sm", "Samarium", "#150.36", 9, 9,
				"Eu", "Europium", "#151.964", 10, 9,
				"Gd", "Gadolinium", "#157.25", 11, 9,
				"Tb", "Terbium", "158.92535", 12, 9,
				"Dy", "Dysprosium", "162.5", 13, 9,
				"Ho", "Holmium", "164.93032", 14, 9,
				"Er", "Erbium", "#167.259", 15, 9,
				"Tm", "Thulium", "168.93421", 16, 9,
				"Yb", "Ytterbium", "#173.054", 17, 9,
				"Lu", "Lutetium", "#174.9668", 18, 9,
				"Hf", "Hafnium", "#178.49", 4, 6,
				"Ta", "Tantalum", "180.94788", 5, 6,
				"W", "Tungsten", "#183.84", 6, 6,
				"Re", "Rhenium", "#186.207", 7, 6,
				"Os", "Osmium", "#190.23", 8, 6,
				"Ir", "Iridium", "#192.217", 9, 6,
				"Pt", "Platinum", "#195.084", 10, 6,
				"Au", "Gold", "196.966569", 11, 6,
				"Hg", "Mercury", "#200.59", 12, 6,
				"Tl", "Thallium", "#204.3833", 13, 6,
				"Pb", "Lead", "207.2", 14, 6,
				"Bi", "Bismuth", "#208.9804", 15, 6,
				"Po", "Polonium", "(209)", 16, 6,
				"At", "Astatine", "(210)", 17, 6,
				"Rn", "Radon", "(222)", 18, 6,
				"Fr", "Francium", "(223)", 1, 7,
				"Ra", "Radium", "(226)", 2, 7,
				"Ac", "Actinium", "(227)", 4, 10,
				"Th", "Thorium", "232.03806", 5, 10,
				"Pa", "Protactinium", "#231.0588", 6, 10,
				"U", "Uranium", "238.02891", 7, 10,
				"Np", "Neptunium", "(237)", 8, 10,
				"Pu", "Plutonium", "(244)", 9, 10,
				"Am", "Americium", "(243)", 10, 10,
				"Cm", "Curium", "(247)", 11, 10,
				"Bk", "Berkelium", "(247)", 12, 10,
				"Cf", "Californium", "(251)", 13, 10,
				"Es", "Einstenium", "(252)", 14, 10,
				"Fm", "Fermium", "(257)", 15, 10,
				"Md", "Mendelevium", "(258)", 16, 10,
				"No", "Nobelium", "(259)", 17, 10,
				"Lr", "Lawrencium", "(262)", 18, 10,
				"Rf", "Rutherfordium", "(267)", 4, 7,
				"Db", "Dubnium", "(268)", 5, 7,
				"Sg", "Seaborgium", "(271)", 6, 7,
				"Bh", "Bohrium", "(272)", 7, 7,
				"Hs", "Hassium", "(270)", 8, 7,
				"Mt", "Meitnerium", "(276)", 9, 7,
				"Ds", "Darmstadium", "(281)", 10, 7,
				"Rg", "Roentgenium", "(280)", 11, 7,
				"Cn", "Copernicium", "(285)", 12, 7,
				"Uut", "Unutrium", "(284)", 13, 7,
				"Fl", "Flerovium", "(289)", 14, 7,
				"Uup", "Ununpentium", "(288)", 15, 7,
				"Lv", "Livermorium", "(293)", 16, 7,
				"Uus", "Ununseptium", "(294)", 17, 7,
				"Uuo", "Ununoctium", "(294)", 18, 7
			];

			var camera, scene, renderer;
			var controls;

			var objects = [];
			var targets = {
				table: [],
				sphere: [],
				helix: [],
				grid: []
			};

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera(40, window.innerWidth / window.innerHeight, 1, 10000);
				camera.position.z = 3000;

				scene = new THREE.Scene();

				// table

				for (var i = 0; i < table.length; i += 5) {

					var element = document.createElement('div');
					element.className = 'element';
					element.style.backgroundColor = 'rgba(0,127,127,' + (Math.random() * 0.5 + 0.25) + ')';

					var number = document.createElement('div');
					number.className = 'number';
					number.textContent = (i / 5) + 1;
					element.appendChild(number);

					var symbol = document.createElement('div');
					symbol.className = 'symbol';
					symbol.textContent = table[i];
					element.appendChild(symbol);

					var details = document.createElement('div');
					details.className = 'details';
					details.innerHTML = table[i + 1] + '<br>' + table[i + 2];
					element.appendChild(details);

					var object = new THREE.CSS3DObject(element);
					object.position.x = Math.random() * 4000 - 2000;
					object.position.y = Math.random() * 4000 - 2000;
					object.position.z = Math.random() * 4000 - 2000;
					scene.add(object);

					objects.push(object);

					//

					var object = new THREE.Object3D();
					object.position.x = (table[i + 3] * 140) - 1330;
					object.position.y = -(table[i + 4] * 180) + 990;

					targets.table.push(object);

				}

				// sphere

				var vector = new THREE.Vector3();

				for (var i = 0, l = objects.length; i < l; i++) {

					var phi = Math.acos(-1 + (2 * i) / l);
					var theta = Math.sqrt(l * Math.PI) * phi;

					var object = new THREE.Object3D();

					object.position.x = 800 * Math.cos(theta) * Math.sin(phi);
					object.position.y = 800 * Math.sin(theta) * Math.sin(phi);
					object.position.z = 800 * Math.cos(phi);

					vector.copy(object.position).multiplyScalar(2);

					object.lookAt(vector);

					targets.sphere.push(object);

				}

				// helix

				var vector = new THREE.Vector3();

				for (var i = 0, l = objects.length; i < l; i++) {

					var phi = i * 0.175 + Math.PI;

					var object = new THREE.Object3D();

					object.position.x = 900 * Math.sin(phi);
					object.position.y = -(i * 8) + 450;
					object.position.z = 900 * Math.cos(phi);

					vector.x = object.position.x * 2;
					vector.y = object.position.y;
					vector.z = object.position.z * 2;

					object.lookAt(vector);

					targets.helix.push(object);

				}

				// grid

				for (var i = 0; i < objects.length; i++) {

					var object = new THREE.Object3D();

					object.position.x = ((i % 5) * 400) - 800;
					object.position.y = (-(Math.floor(i / 5) % 5) * 400) + 800;
					object.position.z = (Math.floor(i / 25)) * 1000 - 2000;

					targets.grid.push(object);

				}

				//

				renderer = new THREE.CSS3DRenderer();
				renderer.setSize(window.innerWidth, window.innerHeight);
				renderer.domElement.style.position = 'absolute';
				document.getElementById('container').appendChild(renderer.domElement);

				//

				controls = new THREE.TrackballControls(camera, renderer.domElement);
				controls.rotateSpeed = 0.5;
				controls.minDistance = 500;
				controls.maxDistance = 6000;
				controls.addEventListener('change', render);

				var button = document.getElementById('table');
				button.addEventListener('click', function(event) {

					transform(targets.table, 2000);

				}, false);

				var button = document.getElementById('sphere');
				button.addEventListener('click', function(event) {

					transform(targets.sphere, 2000);

				}, false);

				var button = document.getElementById('helix');
				button.addEventListener('click', function(event) {

					transform(targets.helix, 2000);

				}, false);

				var button = document.getElementById('grid');
				button.addEventListener('click', function(event) {

					transform(targets.grid, 2000);

				}, false);

				transform(targets.table, 5000);

				//

				window.addEventListener('resize', onWindowResize, false);

			}

			function transform(targets, duration) {

				TWEEN.removeAll();

				for (var i = 0; i < objects.length; i++) {

					var object = objects[i];
					var target = targets[i];

					new TWEEN.Tween(object.position)
						.to({
							x: target.position.x,
							y: target.position.y,
							z: target.position.z
						}, Math.random() * duration + duration)
						.easing(TWEEN.Easing.Exponential.InOut)
						.start();

					new TWEEN.Tween(object.rotation)
						.to({
							x: target.rotation.x,
							y: target.rotation.y,
							z: target.rotation.z
						}, Math.random() * duration + duration)
						.easing(TWEEN.Easing.Exponential.InOut)
						.start();

				}

				new TWEEN.Tween(this)
					.to({}, duration * 2)
					.onUpdate(render)
					.start();

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize(window.innerWidth, window.innerHeight);

				render();

			}

			function animate() {

				requestAnimationFrame(animate);

				TWEEN.update();

				controls.update();

			}

			function render() {

				renderer.render(scene, camera);

			}
		</script>
	</body>
</html>
